Installation of openEMS with Octave on W7

[375Andrew]

Thorsten,
I need help with W7 installation (setup).
One W10 and one W7 computers are working-thank you. Another, W7, is not working.
I am getting an error that looks like this:
----------------------------------------------------------------------
| nf2ff, near-field to far-field transformation for openEMS
| (C) 2012-2014 Thorsten Liebig <thorsten.liebig@gmx.de> GPL license
----------------------------------------------------------------------
calculating far field at phi=[0 90] deg...
warning: function "h5readatt_octave" not found, trying to run "setup"
warning: called from
ReadHDF5Attribute at line 15 column 9
ReadNF2FF at line 22 column 12
CalcNF2FF at line 140 column 7
matlab_Tutorials_Horn_Antenna at line 164 column 7
setting up openEMS matlab/octave interface
compiling oct files
g++: error: unrecognized command line option '-pthread'
warning: mkoctfile: building exited with failure status
error: 'h5readatt_octave' undefined near line 22 column 19
error: called from
ReadHDF5Attribute at line 22 column 10
ReadNF2FF at line 22 column 12

[thorsten]

Strange error. What version of openEMS and of Octave do you use?